BMP085.h

00001 /*
00002  * BMP085.h
00003  *
00004  *  Created on: 13 juil. 2013
00005  *      Author: Vincent
00006  */
00007 
00008 #ifndef BMP085_H_
00009 #define BMP085_H_
00010 
00011 #include "mbed.h"
00012 
00013 class BMP085{
00014 
00015 public :
00016 
00017     static const int I2C_ADDRESS = 0xEE;  // sensor address
00018 
00019     BMP085(PinName sda, PinName scl);
00020 
00021 
00022     BMP085(I2C &i2c) : i2c_(i2c) {
00023         //init();
00024     }
00025 
00026     ~BMP085();
00027 
00028     void writeRegister(unsigned char r, unsigned char v);
00029 
00030     // read a 16 bit register
00031     int readIntRegister(unsigned char r);
00032 
00033     // read uncompensated temperature value
00034     unsigned int readUT();
00035 
00036 
00037     // read uncompensated pressure value
00038     long readUP();
00039 
00040     // Below there are the utility functions to get data from the sensor.
00041 
00042     // read temperature and pressure from sensor
00043     void readSensor();
00044 
00045     void  getCalibrationData();
00046 
00047     float press(void);
00048 
00049     float temp(void);
00050 
00051     float altitud(void);
00052 
00053 
00054 private :
00055 
00056     I2C &i2c_;
00057     // variables to keep the values
00058     float temperature;
00059     float pressure;
00060 
00061 
00062     char i2cRaw[sizeof(I2C)];
00063 };
00064 
00065 
00066 #endif /* BMP085_H_ */
00067